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An open pipe of length 120 cm vibrates i...

An open pipe of length 120 cm vibrates in its fundamental mode. At what distance from one end of the pipe, the pressure variation is maximum ?

A

At 30 cm

B

At 60 cm

C

At 90 cm

D

At 120 cm

Text Solution

Verified by Experts

The correct Answer is:
B
When a pipe open at both the ends, vibrates in its fundamental , the node is forme at the centre . For longitudinal waves the pressure variation is maximum at the node.
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` :. ` It is at the centre or at a distance of 60 cm from one end.
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MARVEL PUBLICATION-STATIONARY WAVES-MULTIPLE CHOICE QUESTIONS (HIGHER LEVEL)
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